58 NEUROPTERA. 



appendages with a basal tooth, and a little median 

 dilatation internally ; the lower ones a third shorter, 

 conical, the end slender, villous. 



L.fusca, Vander Lind. ; Revue, p. 161. Charp. pi. 36. 

 Length 12 lin. ; exp. 14 lin. 



Brown, spotted with yellow ; wings narrow, pointed. 

 In Belgium. 



b. Pterostigma small, rhomboidal. 



Genus Agrion, Fabr. 



-f. Head without spots behind the eyes. 



38. A. Najas, Hansem ; Revue, p. 177. Charp. pi. 37. 

 Length 13 lin. ; exp. 18 lin. 



Habitat England, Ireland (Haliday). 



Blackish bronzed, yellow beneath, with the abdomen 

 blueish at the end {$)) thorax immaculate ( $ ), or 

 with an interrupted yellow line on each side ( ? ). 



A. viridulum, Charp. ; Revue, p. 175. 



Similar, but smaller, the line of the thorax uninterrupted 



in both sexes. 

 In Belgium. 



39. A. minium, Harris ; Revue, p. 178 ; Charp. pi. 36. 



Length 13 lin. ; exp. 17 lin. 



Habitat England, Scotland, Ireland. 



Carmine-red ; thorax blackish bronzed, with a lateral 

 red or yellow stripe ; leys black ; anal appendages 

 of the $ long, equal ; the lower ones bifid. 



40. A. tenellum, Villers ; Revue, p. 180. 

 Length 12 lin. ; exp. 14 lin. 

 Habitat England ; local in the south. 



Red, thorax immaculate, blackish bronzed; legs reddish; 



